Space-band for line-casting machines.



I. L. WEBB.

SPACE BAND FOR LINE CASTING MACHINES.

Patented Jan. 2, 1917.

APPLICATION FILED DEC. 27. 1915.

Yr a ric,

JAMES'L. WEBB, OF TIOGA, TEXAS, ASSIGNOR OF ONE-FOURTH TO LUTHER A. GLENN AND ONE-FOURTH TO E. C. HUNTER AND' G. O. HUNTER, .ALL OF SHERMAN, TEXAS.

SPACE-BAND FOR LINE-CASTING MACHINES.

`Specification of Letters Patent.

atented Jan. 2, 1917.

Application led December 27, 1915. Serial No. 68,878.

To allA whom t may concern f Be it known that I, IAMns L. WEBB, a citizen of the United States, residing at Tioga, in the county of Grayson and State of Texas, have invented certain new and useful Improvements in Space-Bands for Line- Casting Machines, of which the following 1s a specification.

This invention relates to improvements in spacev bands or devices placed between the words in linotype composition to spacethe words evenly, and while my improved construction is more especially intended for use in connection with lines'of matrices, each line carrying characters employed in printing, my novel device may also-be employed and operated in the same manner as ordinary space bands used in the Mergent-haler and other types of line castingv machines.

a line of matrices carrying 'characters as` above, the spaceband mechanism is free for adjustment, as it is located below the casting space, or the space where the mold is located during the type casting operation,

I-Iaving thus briefly outlined my invention other objects in view will more fully appear as the description proceeds, and the invention consists in certain constructions, arrangements and combinations of parts that I shall hereinafter fully describe and claim.

For a full understanding of the invention, reference is to be had to the following description and accompanying drawings, in which:

Figure l is a face view of an assembled space band embodying my invention. Fig. 2 is a side view, and Fig. 3 a back view of the same. Figs. 4 and 5 are side views showing the independently movable space band parts in different relative positions. Fig. 6 is a detail in perspective of the relatively stationary space band part. Figs. 7, 8 and 9 are respectively face, side and back views of one of the independently movable space band parts. Figs. 10, 11 and 12 are respecr tively face, side and back views of the lower I to in the following description and indicated in all the views of the drawings by the same reference characters.

Referring now to the form of construction in detail, the numeral l designates a relatively stationary wedge-shaped space band member which may be said to constitute the body part of the device, and it remains stationary in the line of matrices. As illustrated in the drawings, this part 1 is thickest at its upper extremity, and tapers downwardly. To the lower portion of this part is secured a tongue 2 which extends from one side thereof, the side edges of the tongue are of dove-tailed shape which engage guides 3 of corresponding shape formed in a movable wedge shaped band member 4, which is thickest near its lower extremity, and tapers gradually toward its upper extremity. The part 4 cooperates with the stationary member 1 to maintain the opposite surfaces 'of the two parts in parallel relation during the performance of the spacing function. The tongue 2 has a comparatively wide channel 5,A and a narrow channel portion 6, the former enabling the spring 7, andthe latr enabling a rivet 8 by which the spring is secured, to pass freely in the respective channels when the member 4 is raised: to its extreme height in attaining the maximum expansion attainable by these two parts; the end of the wide channel acting as a stop. The lower portion of the band member 4, on the opposite side from the stationary member 1 is reversely beveled as designated by 9. A dove-tailed tongue 10 is formed on this beveled portion that interlocks with a groove l1 of counterpart shape formed in a second movable space band member 12. A spring latch 13 is riveted or otherwise secured in a channel 14 of this member, and a latch releasing spring 7 is secured in a channel l5 in the member 4. When the lower member- 12 is not required for use it is locked in its downwardly extended position upon the member 4, by the latch 13, and otherwise rigidly secured by the beveled end lower wedge extends within the channel of the middle wedge and safely guides the matrices over the points of the lower wedge.

ln describing the operation of this con-- struction, it must be assumed that the wedge Y shaped part 1 is stationary, and cooperates with the movable wedge shaped part 1, their thinner extremities pointing in opposite directions, and the two parts cooperating with each other to maintain the parallelism between their opposite surfaces. When the desired word spacing function can be attained by the adjustment ofthe member 1-,

the part 12 remains inactive. Vihen, however, a greaterV spacing function is required than can be obtained by the employment of the part A coperative relation with the part 1, the part 12 is brought into requisition by moving it upwardly, intersecting the casting line or area which, as illustrated in the drawing, is between the dotted lines in Fig.

2. It will be noted that I employ two expanding slides, the lower one remaining locked to the upper one until the upper slide has been raised and expanded nearly to its maximum. It is then automatically unlockedY by the spring 7 passing under the stationary member 1, forcing the shoulder 16 of the latch 13 out of engagement with the end of the channel 15, which permits the raising of the member 12 until a pin 17 contacts the end of bar A, when the maximum degree of expansion is attained. Then this construction is 'used with the present commercial linotype machines, the space band operating device must be of special construction, whereby it'will become practicable to f actuate the space band members independently of each other. i

Having thus described my invention, what I esteem as new vand desire to secure by Letters Patent of the United States is z- 1. A space band composed of a relatively stationary part having channels, and a wedge shaped member adjustable and guided thereon, said member having avsecond wedge shaped member movable independently upon it, the two members being interlocking and guided independently of each other.

2. A space band composed of a relatively stationary part, having channels, and a wedge shaped member adjustable and guided thereon, said member having a second wedge shaped membermovable independently upon it, both being arranged on the same side ol the stationary part and guided independently of each other. i

3. A space band, comprising a relatively stationary part having channels, and two members adjustable Vthereon independently 'of each other, the two members being wedge shaped, and guided independently of each other during such ad] ustment,the upper end or the lower wedge being curved inwardly toV `guide the matrices over the point-s of the wedge.

4. A space band composed of'a relatively stationary part having a fixed wedge-shaped portion intersecting the casting line, a wedge shaped member movabley on the stationary part, and a second wedge shaped member movable on the iirst named movable member and providedl with a locking device, andthe former member having a spring adapted to release the locking device ;V the two members being arranged on the same side of the stationary part and guided independently of each other, as herein shown and described.

1n testimony whereof I a'ix my signature in presence of twowit'nesses.'

JAMES L. WEBB. Witnesses:

L. A. GLENN,- M.y F. DANNEL.

Copies of this patent may be obtained for ve cents each, by addressing" the Commissioner of Tatents,

Washington, I). C. 

